Remote control valve operator

Details Remote control valve operator Remote control valve operator

1988-01-27

1988-12-13

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

With nonelectrical actuator

25112904, 25112911, 251291, F16K 3105

Patent

active

047905140

ABSTRACT:
A valve manipulating apparatus adapted to be remotely controlled includes a support assembly having one end releasably attachable adjacent a pipeline valve and another end supporting a longitudinally shiftable actuating assembly. A remotely excited, bi-directional motor in the actuating assembly engages the stem of the valve and is operable to alternately open and close the valve by rotating same. As the valve is manipulated, its stem either extends or retracts and during this movement, a coupler on the motor shaft follows the valve stem displacement and produces a corresponding displacement of the actuating assembly. Switch devices on the actuating assembly cooperate with adjustable stop elements carried by the support assembly to provide for automatic stopping of the motor operation at prescribed points.

REFERENCES:
patent: 2924105 (1960-02-01), Graham
patent: 4093179 (1978-06-01), Schmidt
patent: 4095421 (1978-06-01), Silcox
patent: 4220313 (1980-09-01), Peterson et al.

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